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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <qtest.h>
#include <QGraphicsItem>
#include <QGraphicsScene>
#include <QGraphicsView>
class tst_QGraphicsItem : public QObject
{
Q_OBJECT
public:
tst_QGraphicsItem();
virtual ~tst_QGraphicsItem();
public slots:
void initTestCase();
void init();
void cleanup();
private slots:
void setParentItem();
void setParentItem_deep();
void setParentItem_deep_reversed();
void deleteItemWithManyChildren();
void setPos_data();
void setPos();
void setTransform_data();
void setTransform();
void rotate();
void scale();
void shear();
void translate();
void createTextItem();
};
tst_QGraphicsItem::tst_QGraphicsItem()
{
}
tst_QGraphicsItem::~tst_QGraphicsItem()
{
}
static inline void processEvents()
{
QApplication::processEvents();
QApplication::processEvents();
}
void tst_QGraphicsItem::initTestCase()
{
processEvents();
QTest::qWait(1500);
processEvents();
}
void tst_QGraphicsItem::init()
{
processEvents();
}
void tst_QGraphicsItem::cleanup()
{
}
void tst_QGraphicsItem::setParentItem()
{
QBENCHMARK {
QGraphicsRectItem rect;
QGraphicsRectItem *childRect = new QGraphicsRectItem;
childRect->setParentItem(&rect);
}
}
void tst_QGraphicsItem::setParentItem_deep()
{
QBENCHMARK {
QGraphicsRectItem rect;
QGraphicsRectItem *lastRect = ▭
for (int i = 0; i < 10; ++i) {
QGraphicsRectItem *childRect = new QGraphicsRectItem;
childRect->setParentItem(lastRect);
lastRect = childRect;
}
QGraphicsItem *first = rect.childItems().first();
first->setParentItem(0);
}
}
void tst_QGraphicsItem::setParentItem_deep_reversed()
{
QBENCHMARK {
QGraphicsRectItem *lastRect = new QGraphicsRectItem;
for (int i = 0; i < 100; ++i) {
QGraphicsRectItem *parentRect = new QGraphicsRectItem;
lastRect->setParentItem(parentRect);
lastRect = parentRect;
}
delete lastRect;
}
}
void tst_QGraphicsItem::deleteItemWithManyChildren()
{
QBENCHMARK {
QGraphicsRectItem *rect = new QGraphicsRectItem;
for (int i = 0; i < 1000; ++i)
new QGraphicsRectItem(rect);
delete rect;
}
}
void tst_QGraphicsItem::setPos_data()
{
QTest::addColumn<QPointF>("pos");
QTest::newRow("0, 0") << QPointF(0, 0);
QTest::newRow("10, 10") << QPointF(10, 10);
QTest::newRow("-10, -10") << QPointF(-10, -10);
}
void tst_QGraphicsItem::setPos()
{
QFETCH(QPointF, pos);
QGraphicsScene scene;
QGraphicsRectItem *rect = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
QBENCHMARK {
rect->setPos(pos);
}
}
void tst_QGraphicsItem::setTransform_data()
{
QTest::addColumn<QTransform>("transform");
QTest::newRow("rotate 45z") << QTransform().rotate(45);
QTest::newRow("scale 2x2") << QTransform().scale(2, 2);
QTest::newRow("translate 100, 100") << QTransform().translate(100, 100);
QTest::newRow("rotate 45x 45y 45z") << QTransform().rotate(45, Qt::XAxis)
.rotate(45, Qt::YAxis).rotate(45, Qt::ZAxis);
}
void tst_QGraphicsItem::setTransform()
{
QFETCH(QTransform, transform);
QGraphicsScene scene;
QGraphicsRectItem *item = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
QBENCHMARK {
item->setTransform(transform);
}
}
void tst_QGraphicsItem::rotate()
{
QGraphicsScene scene;
QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
const QTransform rotate(QTransform().rotate(45));
QBENCHMARK {
item->setTransform(rotate, true);
}
}
void tst_QGraphicsItem::scale()
{
QGraphicsScene scene;
QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
const QTransform scale(QTransform::fromScale(2, 2));
QBENCHMARK {
item->setTransform(scale, true);
}
}
void tst_QGraphicsItem::shear()
{
QGraphicsScene scene;
QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
const QTransform shear = QTransform().shear(1.5, 1.5);
QBENCHMARK {
item->setTransform(shear, true);
}
}
void tst_QGraphicsItem::translate()
{
QGraphicsScene scene;
QGraphicsItem *item = scene.addRect(QRectF(0, 0, 100, 100));
processEvents();
const QTransform translate = QTransform::fromTranslate(100, 100);
QBENCHMARK {
item->setTransform(translate, true);
}
}
void tst_QGraphicsItem::createTextItem()
{
// Ensure QFontDatabase loaded the font beforehand
QFontInfo(qApp->font()).family();
const QString text = "This is some text";
QBENCHMARK {
QGraphicsTextItem item(text);
}
}
QTEST_MAIN(tst_QGraphicsItem)
#include "tst_qgraphicsitem.moc"
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